Pair of (2) Desktop Studio Monitor Clamp-On Stands 12'/305mm x 9'/229mm Speaker Platform with Soft, EVA-Lined Surface Fits Most Small-Sized Studio Monitor Speakers both Vertically and Horizontally Multipurpose Top Deck Surface Holds MacBook Air & Pro Models Clamps to Desktop Surfaces 2.25'/57mm in Thickness Height Adjustable from 10.13'/257mm to 13.5'/353mm Speaker Platform Tilt Angle Adjustable from 0-15 Degrees Black Powder Coated Steel Construction Max Recommended Weight Capacity of 60 lbs /27.23 kg